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- Fix for #1114: Fix that cache fill for forward-host names is

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performed, so that with nonzero target-fetch-policy it fetches
  forwarder addresses and uses them from cache. Also updated that
  delegation point cache fill routines use CDflag for AAAA message
  lookups, so that its negative lookup stops a recursion since the
  cache uses the bit for disambiguation for dns64 but the recursion
  uses CDflag for the AAAA target lookups, so the check correctly
  stops a useless recursion by its cache lookup.
This commit is contained in:
W.C.A. Wijngaards
2024-07-31 11:42:44 +02:00
parent 6af28bed08
commit 03b511b1a2
4 changed files with 181 additions and 0 deletions
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iterator/iterator.c
+5
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@@ -1560,6 +1560,11 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
errinf(qstate, "malloc failure for forward zone");
return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
}
if(!cache_fill_missing(qstate->env, iq->qchase.qclass,
qstate->region, iq->dp)) {
errinf(qstate, "malloc failure, copy extra info into delegation point");
return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
}
if((qstate->query_flags&BIT_RD)==0) {
/* If the server accepts RD=0 queries and forwards
* with RD=1, then if the server is listed as an NS